title: Lead in petrol.
mesh_terms: D000393:Air Pollutants / Q000009:adverse effects; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007854:Lead / Q000097:blood*; D010578:Petroleum / Q000009:adverse effects*
chemical_list: D000393:Air Pollutants; D010578:Petroleum; D007854:Lead